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The final temperature of an engine whose initial temperature is 400K and having efficiency 25%. (a) 200K (b) 400K (c) 300K (d) 450K

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The final temperature of an engine whose initial temperature is 400K and having efficiency 25%. 

(a) 200K 

(b) 400K 

(c) 300K 

(d) 450K

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1 Answer

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Best answer

(c) 300K

Initial temperature = T1 = 400 K 

Final temperature = T2 = ? 

Efficiency = 25%

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